64939080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 203575680

約数和(自身を除く): 138636600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 67, 82, 120, 123, 134, 164, 197, 201, 205, 246, 268, 328, 335, 394, 402, 410, 492, 536, 591, 615, 670, 788, 804, 820, 984, 985, 1005, 1182, 1230, 1340, 1576, 1608, 1640, 1970, 2010, 2364, 2460, 2680, 2747, 2955, 3940, 4020, 4728, 4920, 5494, 5910, 7880, 8040, 8077, 8241, 10988, 11820, 13199, 13735, 16154, 16482, 21976, 23640, 24231, 26398, 27470, 32308, 32964, 39597, 40385, 41205, 48462, 52796, 54940, 64616, 65928, 65995, 79194, 80770, 82410, 96924, 105592, 109880, 121155, 131990, 158388, 161540, 164820, 193848, 197985, 242310, 263980, 316776, 323080, 329640, 395970, 484620, 527960, 541159, 791940, 969240, 1082318, 1583880, 1623477, 2164636, 2705795, 3246954, 4329272, 5411590, 6493908, 8117385, 10823180, 12987816, 16234770, 21646360, 32469540, 64939080]

約数ペア:

[(1, 64939080), (2, 32469540), (3, 21646360), (4, 16234770), (5, 12987816), (6, 10823180), (8, 8117385), (10, 6493908), (12, 5411590), (15, 4329272), (20, 3246954), (24, 2705795), (30, 2164636), (40, 1623477), (41, 1583880), (60, 1082318), (67, 969240), (82, 791940), (120, 541159), (123, 527960), (134, 484620), (164, 395970), (197, 329640), (201, 323080), (205, 316776), (246, 263980), (268, 242310), (328, 197985), (335, 193848), (394, 164820), (402, 161540), (410, 158388), (492, 131990), (536, 121155), (591, 109880), (615, 105592), (670, 96924), (788, 82410), (804, 80770), (820, 79194), (984, 65995), (985, 65928), (1005, 64616), (1182, 54940), (1230, 52796), (1340, 48462), (1576, 41205), (1608, 40385), (1640, 39597), (1970, 32964), (2010, 32308), (2364, 27470), (2460, 26398), (2680, 24231), (2747, 23640), (2955, 21976), (3940, 16482), (4020, 16154), (4728, 13735), (4920, 13199), (5494, 11820), (5910, 10988), (7880, 8241), (8040, 8077)]